fsharp-component-design-gu

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1、DraftF#ComponentDesignGuidelines(August2010)ThisdocumentationisadraftsetofcomponentdesignguidelinesforF#programmingrelatedtothe2.0releaseofF#madebyMicrosoftResearchandtheMicrosoftDeveloperDivisioninApril2010.ThisdocumentassumesyouarefamiliarwithF#programming.Formoreinform

2、ationonF#programmingseefsharp.net.TheF#teamisalwaysverygratefulforfeedbackontheseguidelines.Youcansubmitfeedbackbyemailingfsbugs@microsoft.com.ManythankstotheF#usercommunityfortheirhelpfulfeedbackonthedocumentsofar.Notice©2010MicrosoftCorporation.Allrightsreserved.1Overvi

3、ew32GeneralGuidelines43GuidelinesforF#-FacingLibraries53.1NamingConventions53.2Object,TypeandModuleDesign73.3FunctionandMemberSignatures113.4Exceptions123.5ExtensionMembers123.6UnionTypes133.7InlineFunctionsandMemberConstraints133.8OperatorDefinitions143.9UnitsofMeasure14

4、3.10TypeAbbreviations144GuidelinesforLibrariesforUsefromother.NETLanguages154.1NamespaceandTypeDesign154.2ObjectandMemberDesign175RecommendationsforImplementationCode21265.1SuggestedNamingConventionsinF#ImplementationCode215.2SuggestedCodingConventionsinF#ImplementationCo

5、de226Appendix236.1End-to-endexampleofdesigningF#codeforusebyother.NETlanguages23261OverviewThisdocumentlooksatsomeoftheissuesrelatedtoF#componentdesignandcoding.Inparticular,itcovers:·Guidelinesfordesigning“vanilla”.NETlibrariesforusefromany.NETlanguage.·GuidelinesforF#-t

6、o-F#librariesandF#implementationcode.·SuggestionsoncodingconventionsforF#implementationcode.F#isoftenseenasafunctionallanguage,butinrealityisamulti-paradigmlanguage;theOO,functionalandimperativeparadigmsareallwellsupported.Thatis,F#isafunctional-orientedlanguage—manyofthe

7、defaultsaresetuptoencouragefunctionalprogramming,butprogrammingintheotherparadigmsiseffectiveandefficient,andacombinationisoftenbestofall.Itisacommonmisconceptionthatthefunctionalandobject-orientedprogrammingmethodologiesarecompeting.Infact,theyaregenerallyorthogonalandla

8、rgelycomplementary.Often,functionalprogrammingplaysastrongerrole“inthesmall”(e.g.attheimplementa